Qi, G. Study on Stability of Small Clearance Shield Tunnel Excavation Face. Urban Mass Transit Magazine Press.
Chicago Style (17th ed.) CitationQi, GAO. Study on Stability of Small Clearance Shield Tunnel Excavation Face. Urban Mass Transit Magazine Press.
MLA (9th ed.) CitationQi, GAO. Study on Stability of Small Clearance Shield Tunnel Excavation Face. Urban Mass Transit Magazine Press.
Warning: These citations may not always be 100% accurate.